Enzyme activity assays

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Enzyme Explorer Product Application Index for Matrix Metalloproteinases enzymes offered in our online catalog.

Tubulin is the major building block of microtubules. This intracellular cylindrical filamentous structure is present in almost all eukaryotic cells.

Dipeptidyl Peptidase IV

Native DPPIV is a ubiquitous type II transmembrane glycoprotein and a serine protease of the S9 prolyl-oligopeptidase family. In vivo, it is synthesized with a signal peptide which functions as the membrane anchoring domain.

Decorin

Decorin is a small proteoglycan, which has been found associated with collagen fibrils in all connective tissues. In the skeletal system it is found primarily in the extracellular matrix of articular cartilage, which covers the surface of adult bones in

Enzymes for Alternative Energy Research

We are committed to help unlock the today’s challenge of releasing the energy of glucose that nature has cleverly locked into lignocellulosic biomass. To the untrained eye, starch and cellulose structures appear almost identical. Yet the barriers between cellulosic biomass

Glycobiology - Carbohydrate Enzymes and Proteins

Explore our complex carbohydrate proteins, enzyme products and kits for investigating oligosaccharides, polysaccharides, and numerous additional aspects of your carbohydrate workflow.

Bioluminescent Firefly Luciferase Assays

Firefly luciferase is a widely used bioluminescent reporter for studying gene regulation and function. It is a very sensitive genetic reporter due to the absence of endogenous luciferase activity in mammalian cells or tissues.

Enzymatic Method for Determining Branched Chain Amino Acids (BCAA Assay)

Assay protocol for the colorimetric detection of Branched Chain Amino Acids (BCAA) in biological samples using the alanine assay kit.

Enzyme Commission Numbers

Complete List of Enzyme Commission Numbers for metabolics research.

PKA & PKG

Our offers many products related to PKA & PKG for your research needs.

G Proteins (Heterotrimeric)

Heterotrimeric G proteins, comprising α, β and γ subunits, respond to extracellular signals generated by activated seven-transmembrane (7TM) receptors by modulating intracellular effector proteins such as enzymes and ion channels.

InsR

We offers many products related to InsR for your research needs.

Neurotensin Receptors

Neurotensin is a 13 amino acid regulatory peptide found mainly in gut and brain. Intestinal neurotensin is produced by a discrete population of endocrine cells (N cells) scattered throughout the jejuno-ileal mucosa.

Phospholipase C

The hydrolysis of a minor membrane phospholipid, phosphatidylinositol 4,5-bisphosphate (PIP2) by a specific phospholipase C (PLC) is one of the earliest key events in the regulation of various cell functions by more than 100 extracellular signaling molecules.

HMG-CoA Reductase (HMGR) Assay Kit

3-hydroxy-3-methylglutaryl-CoA reductase (HMGR) is a transmembrane glycoprotein, located on the endoplasmic reticulum.

Aprotinin

While aprotinin and bovine pancreatic trypsin inhibitor (BPTI) are the same protein sequence, the term aprotinin is typically used when describing the protein derived from bovine lung.

Complement Proteins

Application Index: Complement Proteins offered by Sigma-alderich online.The complement system is a complex cascade involving proteolytic cleavage of serum glycoproteins often activated by cell receptors. This cascade ultimately results in induction of the inflammatory response, phagocyte chemotaxis and opsonization, and

Cholesterol Esterification

Cholesterol undergoes esterification to improve transport. Cholesterol esters are more easily packaged into the interior of lipoproteins - increasing the quantity that can be readily transported in the blood stream.

Coenzyme A

Enzyme Reagent Coenzyme A (CoA, CoASH or HSCoA) is the key cofactor in first step of the TCA cycle, responsible for transferring the acetyl group from pyruvate oxidation to oxaloacetate yielding citrate. Available through Sigma-Aldrich online.

Enzymatic Assay of Cathepsin B

This procedure applies to all products that have a specification for Cathepsin B activity determined by the liberation of 7-amino-4-methylcoumarin from Z-Arg-Arg 7-amido-4-methylcoumarin.

Drug Conjugate Analysis using β-Glucuronidases

Drug conjugate analysis and the enzymatic hydrolysis of glucuronides

β Secretase (BACE1) Activity Assay for BACE1 Inhibitor Screening

In recent years, the biological processes involved in the pathogenesis of Alzheimer’s disease (AD) have become increasingly better understood. It is now recognized that a key role is played by BACE1 proteases that cleave amyloid precursor protein (APP) to produce

Horseradish Peroxidase (HRP) Enzymes

Discover our peroxidase from horseradish enzymes, products, substrates, and inhibitors for your ELISA, immunoassay, and protein application needs.

Fibrinogen/Fibrin

Fibrinogen is a ~340 kDa glycoprotein synthesised in the liver. It is a hexamer composed of pairs of three peptide chains (α, β, and γ). Fibrinogen is an acute phase protein that is part of the coagulation cascade of

Enzymatic Method for Determining Amylase Activity (Amylase Activity Assay)

Assay protocol for the colorimetricdetection of amylase activity in biological samples using the Amylase Activity assay kit.

Phosphodiesterases

Cyclic nucleotide phosphodiesterases (PDEs) catalyze the hydrolysis of cAMP and/or cGMP. There are 11 different mammalian PDE families.

Phospholipase D

Phosphatidylcholine (PC)-specific phospholipase D (PLD) enzymes catalyze the hydrolysis of PC to generate choline and phosphatidic acid. These enzymes belong to a superfamily of phosphatidyltransferases with a characteristic unique duplicated catalytic domain motif, the PLD or " HKD"

Protein Kinase C (PKC)

Protein kinase C (PKC) is an AGC kinase that phosphorylates serine and threonine residues in many target proteins.

Nuclear Receptors (PPARs)

Peroxisome proliferator activated receptors (PPARs) are members of the nuclear hormone receptor superfamily of ligand-activated transcription factors that are related to retinoid, steroid and thyroid hormone receptors.

Neuropeptidases

We offers many products related to neuropeptidases for your research needs.

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